diff --git a/travis-ci/vmtest/configs/config-latest.s390x b/travis-ci/vmtest/configs/config-latest.s390x
index aa4411d..ea6de71 100644
--- a/travis-ci/vmtest/configs/config-latest.s390x
+++ b/travis-ci/vmtest/configs/config-latest.s390x
@@ -782,7 +782,7 @@ CONFIG_NETFILTER_NETLINK=y
 # CONFIG_NETFILTER_NETLINK_QUEUE is not set
 # CONFIG_NETFILTER_NETLINK_LOG is not set
 # CONFIG_NETFILTER_NETLINK_OSF is not set
-# CONFIG_NF_CONNTRACK is not set
+CONFIG_NF_CONNTRACK=y
 # CONFIG_NF_LOG_SYSLOG is not set
 CONFIG_NF_TABLES=y
 # CONFIG_NF_TABLES_INET is not set
@@ -871,6 +871,7 @@ CONFIG_NETFILTER_XT_MATCH_BPF=y
 #
 # IP: Netfilter Configuration
 #
+CONFIG_NF_DEFRAG_IPV4=y
 # CONFIG_NF_SOCKET_IPV4 is not set
 # CONFIG_NF_TPROXY_IPV4 is not set
 # CONFIG_NF_TABLES_IPV4 is not set
@@ -903,6 +904,7 @@ CONFIG_IP_NF_FILTER=y
 # CONFIG_IP6_NF_IPTABLES is not set
 # end of IPv6: Netfilter Configuration
 
+CONFIG_NF_DEFRAG_IPV6=y
 CONFIG_BPFILTER=y
 CONFIG_BPFILTER_UMH=y
 # CONFIG_IP_DCCP is not set
diff --git a/travis-ci/vmtest/configs/config-latest.x86_64 b/travis-ci/vmtest/configs/config-latest.x86_64
index a577b17..adc49e4 100644
--- a/travis-ci/vmtest/configs/config-latest.x86_64
+++ b/travis-ci/vmtest/configs/config-latest.x86_64
@@ -975,7 +975,7 @@ CONFIG_NETFILTER_NETLINK=y
 CONFIG_NETFILTER_NETLINK_QUEUE=y
 CONFIG_NETFILTER_NETLINK_LOG=y
 # CONFIG_NETFILTER_NETLINK_OSF is not set
-# CONFIG_NF_CONNTRACK is not set
+CONFIG_NF_CONNTRACK=y
 # CONFIG_NF_LOG_NETDEV is not set
 # CONFIG_NF_TABLES is not set
 CONFIG_NETFILTER_XTABLES=y
@@ -1048,6 +1048,7 @@ CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
 #
 # IP: Netfilter Configuration
 #
+CONFIG_NF_DEFRAG_IPV4=y
 # CONFIG_NF_SOCKET_IPV4 is not set
 # CONFIG_NF_TPROXY_IPV4 is not set
 # CONFIG_NF_DUP_IPV4 is not set
@@ -1089,6 +1090,7 @@ CONFIG_IP6_NF_IPTABLES=y
 # CONFIG_IP6_NF_SECURITY is not set
 # end of IPv6: Netfilter Configuration
 
+CONFIG_NF_DEFRAG_IPV6=y
 CONFIG_BPFILTER=y
 CONFIG_BPFILTER_UMH=m
 # CONFIG_IP_DCCP is not set